Listar por tema "Graphene"
Mostrando ítems 1-20 de 140
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3Cat-1 project: a multi-payload CubeSat for scientific experiments and technology demonstrators
(2017)
Artículo
Acceso abiertoThis article introduces 3 Cat-1, the first project of the Technical University of Catalonia to build and launch a nano-satellite. Its main scope is to develop, construct, assemble, test and launch into a low Earth orbit a ... -
A graphene based plasmonic antenna design for communication in the THz regime
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Comunicación de congreso
Acceso restringido por política de la editorialWe show the first THz emission of a graphene based plasmonic antenna structure. Furthermore we present the minimum material requirements for an operational graphene antenna in terms of chemical potential µc and relaxation time t. -
Adhesion and friction control localized folding in supported graphene
(American Institute of Physics (AIP), 2013-05)
Artículo
Acceso restringido por política de la editorialGraphene deposited on planar surfaces often exhibits sharp and localized folds delimiting seemingly planar regions, as a result of compressive stresses transmitted by the substrate. Such folds alter the electronic and ... -
An atomistic-based foliation model for multilayer graphene materials and nanotubes
(2013-01)
Artículo
Acceso abiertoWe present a three-dimensional continuum model for layered crystalline materials made out of weakly interacting two-dimensional crystalline sheets. We specialize the model to multilayer graphene materials, including ... -
Analysis of a plasmonic graphene antenna for microelectronic applications
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Texto en actas de congreso
Acceso restringido por política de la editorialGraphene offers a large potential to downscale antennas to the micrometer scale, due to its special dispersion relation and its ability to support plasmons in the THz frequency range. For an adequate performance of the ... -
Análisis estructural de óxidos de grafeno (GO) y óxidos de grafeno reducidos (rGO)
(2020-07-01)
Artículo
Acceso abiertoEl artículo caracteriza a nivel estructural, morfológico y térmico tres muestras distintas de óxido de grafeno comerciales (AGO, EGO y CGO) obtenidas mediante el método Hummers, las cuales han sido posteriormente reducidas ... -
Area and laser power scalability analysis in photonic networks-on-chip
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Comunicación de congreso
Acceso restringido por política de la editorialIn the last decade, the field of microprocessor architecture has seen the rise of multicore processors, which consist of the interconnection of a set of independent processing units or cores in the same chip. As the number ... -
Boosting moisture induced electricity generation from graphene oxide through engineering oxygen-based functional groups
(2022-04-01)
Artículo
Acceso abiertoHarvesting energy from ubiquitous moisture is attracting growing interest for directly powering electronic devices. However, it is still challenging to fabricate high-performing moisture-electric generators (MEGs) with ... -
Bridging NiCo layered double hydroxides and Ni3S2 for bifunctional electrocatalysts: the role of vertical graphene
(2021-07-01)
Artículo
Acceso restringido por política de la editorialIn this work, we report a bifunctional electrocatalyst with nickel sulphide (Ni3S2) as the template, vertical graphene (VG) as the bridging material, and nickel–cobalt layered double hydroxides (NiCo LDHs) nanosheets as ... -
Caracterització optoelectrònica del grafè sobre diferents substrats a altes freqüències
(Universitat Politècnica de Catalunya, 2014-09-09)
Proyecto/Trabajo final de carrera
Acceso abierto[ANGLÈS] This project presents a study for both optic and electronic properties of graphene and possible variations of different physical magnitudes that are produced in a material when a single layer of graphene is deposited ... -
Characterization and implementation of resistance-to-time-to-digital readout system for novel photoresistor based on graphene
(Universitat Politècnica de Catalunya, 2017-09-07)
Projecte Final de Màster Oficial
Acceso restringido por acuerdo de confidencialidad -
Characterization of the methane–graphene hydrophobic interaction in aqueous solution from ab initio simulations
(2013-09-17)
Artículo
Acceso restringido por política de la editorialIn this article, the interaction between a methane molecule and a graphene plane in liquid water has been characterized employing DFT-based free energy Molecular Dynamics calculations. This system represents a good model ... -
Chondroinductive alginate-based hydrogels having graphene oxide for 3D printed scaffold fabrication
(2020-01-07)
Artículo
Acceso abiertoScaffolds based on bioconjugated hydrogels are attractive for tissue engineering because they can partly mimic human tissue characteristics. For example, they can further increase their bioactivity with cells. However, ... -
Coexistence of wrinkles and blisters in supported graphene
(Elsevier, 2017-07-01)
Artículo
Acceso abiertoBlisters induced by gas trapped in the interstitial space between supported graphene and the substrate are commonly observed. These blisters are often quasi-spherical with a circular rim, but polygonal blisters are also ... -
Colloidal Quantum Dot Tandem Solar Cells Using CVD Graphene as An Atomically Thin Intermediate Recombination Layer
(ACS, 2018-06-28)
Artículo
Acceso abiertoTwo-terminal tandem cell architectures are believed to be an effective way to further improve the power conversion efficiency in solution processed photovoltaics. To design an efficient tandem solar cell, two key issues ... -
Competing Ultrafast Energy Relaxation Pathways in Photoexcited Graphene
(ACS Publications, 2014-09-23)
Artículo
Acceso abierto -
Construction of free-standing films using graphene for biomedical applications
(Universitat Politècnica de Catalunya / Zhejiang University, 2011)
Projecte Final de Màster Oficial
Acceso restringido por decisión del autorThe LbL Electrostatic Self Assembly could be used to produce nano or micrometric thickness multilayer films with several different functionalities and applications. It is based on the alternative dipping of a substrate in ... -
Contactless electrical resistance of 2D materials using a rutile resonator
(2019-12-12)
Artículo
Acceso abiertoMeasuring the electrical surface resistance of 2D materials without contact can provide a method for obtaining their intrinsic characterisation. The aim of this paper is to show that a rutile dielectric resonator (RDR) can ... -
Controlling mid-infrared plasmons in graphene nanostructures through post-fabrication chemical doping
(IOP, 2021-05-07)
Artículo
Acceso abiertoEngineering the doping level in graphene nanostructures to yield controlled and intense localized surface plasmon resonance (LSPR) is fundamental for their practical use in applications such as molecular sensing for point ... -
Controlling mid-infrared plasmons in graphene nanostructures through post-fabrication chemical doping
(2021-07-01)
Artículo
Acceso abiertoEngineering the doping level in graphene nanostructures to yield controlled and intense localized surface plasmon resonance (LSPR) is fundamental for their practical use in applications such as molecular sensing for point ...